Assessment
Bowland

The Z Factor

For Teachers 6th - 9th
Young mathematicians determine the number of hours it would take judges of the "Z Factor" television talent show to watch every act. Participants make estimates and assumptions to solve the problem.
Activity
Teach Engineering

About Accuracy and Approximation

For Teachers 5th - 7th Standards
How accurate are robots? Groups draw lines by moving robots backwards and forwards by one rotation of the wheels. Using the appropriate formula, they determine the percent error in the length of the lines in relation to the calculated...
Activity
Education Development Center

Creating Data Sets from Statistical Measures

For Students 6th - 7th Standards
Explore the measures of central tendency through a challenging task. Given values for the mean, median, mode, and range, collaborative groups create a set of data that would produce those values. They then critique other answers and...
Worksheet
Curated OER

Solving Subtraction Equations

For Students 6th
In this solving subtraction equations worksheet, 6th graders read examples of using fact families, working backwards or using inverse operations, then solve eight subtraction equations with variables.
Worksheet
Curated OER

What is Less? 1-10 Subtraction Worksheet

For Students 1st - 2nd
In this subtraction activity, students count the items that are pictured and count backward by the amount indicated in each problem. They complete 7 problems by answering the question, "What is __ less?"
Lesson Plan
Curated OER

Use Guess and Check to Solve Math Problems

For Teachers 5th - 6th
In this problem solving worksheet, students read about using the guess and check strategy for solving math word problems. They use the strategy to solve 8 problems. They read about the working backwards and using visuals as problem...
Worksheet
Curated OER

Trig Tic-Tac-Times

For Students 11th - 12th
In this trigonometry worksheet, students play a skill review game that involves the problem solving strategy of working backward.  The game is similar to tic-tac-toe using the trigonometric ratios.  The one page worksheet...
Lesson Plan
Curated OER

Not So Snappy 9 Word Problems

For Teachers 5th - 6th
In this math worksheet, students practice solving word problems which require them to make a list or work backwards to find the solution. Students read and solve 5 word problems.
Lesson Plan
Curated OER

Topo Triangulation

For Teachers 6th - 8th
Students investigate how to read a topographical map and triangulate with just a map. They convert a compass measurement to a protractor measurement, reverse a bearing direction, and using a worksheet take a bearing of certain landmarks...
Lesson Plan
Curated OER

Origami Flight: The Physical Setting

For Teachers 6th
Sixth graders investigate the forces that move certain objects.  For this physics lesson, 6th graders design and create paper flying objects using origami methods, which they practice flying in different conditions.  Students...
Worksheet
Curated OER

Problem Solving Strategies: Pre Test

For Students 5th - 8th
In this problem solving worksheet, students answer multiple choice questions about math word problems and choosing the best strategy to solve them. Students answer 10 questions total.
Interactive
Curated OER

Problem Solving Strategies Post Test

For Students 3rd - 5th
In this problem solving strategies worksheet, students answer a set of 10 multiple choice questions. Students may click on a link to see correct answers.
Lesson Plan
Curated OER

Problem Solving: Steps and Strategies

For Teachers 6th - 8th
Middle schoolers explore the concept of problem solving strategies. In this problem solving strategies lesson, students discuss methods for solving problems such as re-reading a problem, stating the facts, drawing a picture and so on....
Lesson Plan
Curated OER

Money Matters

For Teachers 2nd - 5th
Students practice spending money by completing math word sentences.  In this economics lesson, students utilize problem solving strategies to complete word problems written on the board involving making purchases with money....
Worksheet
Curated OER

Calculate Volume and Surface Area

For Students 8th - 10th
In this geometry skills worksheet, students solve 4 problems that require them to calculate volume and surface area of geometric figures. In 2 problems students work backwards to calculate length.
Worksheet
Curated OER

Mental Subtraction Methods

For Students 3rd - 6th
In this subtraction instructional activity, students subtract problems using mental math methods such as tens groups, comparing problems, helping numbers, and more. Students complete 7 sets of problems.
Lesson Plan
Curated OER

Fraction Puzzle Problems

For Teachers 5th
Fifth graders design a fraction word problem PowerPoint presentation. In small groups they complete a storyboard graphic organizer for their word problem, evaluate another group's word problem, and create a PowerPoint presentation of...
Lesson Plan
Curated OER

Walking On The Number Line

For Teachers 4th - 5th
Learners investigate the concepts of expressions and equations while defining the similarities and differences. They explore the operations by using a number line and record answers while working with the teacher. Students play the game...
Worksheet
Curated OER

Reductions of Order

For Students 11th - 12th
In this calculus activity, students identify functions as linear or nonlinear, homogeneous versus nonhomogeneous by using the reduction power theorem. There are 5 questions.
Lesson Plan
Curated OER

Data Scavenger Hunt

For Teachers 8th
Eighth graders discuss how data is collected and participate in data collection through a survey. They complete a scavenger hunt on the Internet to gain understanding of the data measures mean, median, mode, and range.
Lesson Plan
Curated OER

Conic Sections

For Teachers 9th - 11th
Students explore the different properties of conics. In this algebra lesson, students calculate the midpoint of a line, the distances between two points as they get ready to find the focus and directrix in eclipse and other conics. They...
Worksheet
Curated OER

Fundamental Theorem of Algebra

For Students 8th - 10th Standards
In this worksheet, learners identify the Fundamental Theorem of Algebra. They solve polynomial functions and simplify expressions and equations. 
Assessment
Inside Mathematics

Party

For Teachers 8th Standards
Thirty at the party won't cost any more than twenty-five. The assessment task provides a scenario for the cost of a party where the initial fee covers a given number of guests. The class determines the cost for specific numbers of guests...
Assessment
Inside Mathematics

Hexagons

For Teachers 9th - 12th Standards
Scholars find a pattern from a geometric sequence and write the formula for extending it. The worksheet includes a table to complete plus four analysis questions. It concludes with instructional implications for the teacher.